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Proceedings Paper

Fiber optic Bragg grating array for shape and vibration mode sensing
Author(s): Michael A. Davis; Alan D. Kersey; James S. Sirkis; E. Joseph Friebele
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Paper Abstract

Fiber Bragg gratings are of particular interest for distributed sensor applications such as embedded sensors for structural strain monitoring. This paper discusses the use of a wavelength division multiplexed fiber Bragg grating array for structural shape sensing and vibrational mode analysis. The gratings are surface attached to a cantilever beam and demodulated by a scanning fiber Fabry Perot filter to obtain strain information at different locations along the structure. A PC is used to read the strain information and perform static shape modeling of the beam.

Paper Details

Date Published: 1 May 1994
PDF: 9 pages
Proc. SPIE 2191, Smart Structures and Materials 1994: Smart Sensing, Processing, and Instrumentation, (1 May 1994); doi: 10.1117/12.173936
Show Author Affiliations
Michael A. Davis, Naval Research Lab. (United States)
Alan D. Kersey, Naval Research Lab. (United States)
James S. Sirkis, Univ. of Maryland/College Park (United States)
E. Joseph Friebele, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 2191:
Smart Structures and Materials 1994: Smart Sensing, Processing, and Instrumentation
James S. Sirkis, Editor(s)

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